After installing POSTman for the first time or following the re-signing of the macros you may receive a Security Warning and your POSTman buttons will not work correctly.
The procedure for adding it to your Trusted Publishers list varies depending on your version of Word.
This can no longer be done for Office 2007 and older – macro security must be disabled.
Click on Macros have been disabled
Click on Enable Content
Click on Advanced Options
Check that it was signed by Direct Marketing Software
Click on Trust all documents from this publisher
Click OK